1110001112020 has 48 divisors (see below), whose sum is σ = 2492557029648. Its totient is φ = 413745305600.

The previous prime is 1110001111997. The next prime is 1110001112041. The reversal of 1110001112020 is 202111000111.

It can be written as a sum of positive squares in 8 ways, for example, as 51728043844 + 1058273068176 = 227438^2 + 1028724^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1110001111988 and 1110001112006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16127587 + ... + 16196266.

It is an arithmetic number, because the mean of its divisors is an integer number (51928271451).

Almost surely, 2^{1110001112020} is an apocalyptic number.

1110001112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110001112020 is an abundant number, since it is smaller than the sum of its proper divisors (1382555917628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1110001112020 is a wasteful number, since it uses less digits than its factorization.

1110001112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32323980 (or 32323978 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1110001112020 its reverse (202111000111), we get a palindrome (1312112112131).

The spelling of 1110001112020 in words is "one trillion, one hundred ten billion, one million, one hundred twelve thousand, twenty".